FIELD: manufacturing technology.
SUBSTANCE: invention relates to silicate technology and crystal glass formulations that can be used to make household dishes. Crystal glass consists, in % by weight: SiO2 53.4–58.4; B2O3 16.0–17.0; CaO 4.0–6.0; MgO 1.0–3.0; ZnO 4.0–6.0; K2O 12.0–14.0; SeO2 1.0–1.6; TeO2 1.0–1.6.
EFFECT: technical result is high heat resistance of glass.
1 cl, 1 tbl
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